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authorMike Travis <travis@sgi.com>2008-12-31 17:34:16 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:53:31 +0100
commit7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch)
treeef1a3beae706b9497c845d0a2557ceb4d2754998 /arch/x86/include/asm/sigframe.h
parent6092848a2a23b660150a38bc06f59d75838d70c8 (diff)
parent8c384cdee3e04d6194a2c2b192b624754f990835 (diff)
downloadop-kernel-dev-7eb19553369c46cc1fa64caf120cbcab1b597f7c.zip
op-kernel-dev-7eb19553369c46cc1fa64caf120cbcab1b597f7c.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/sigframe.h')
-rw-r--r--arch/x86/include/asm/sigframe.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
new file mode 100644
index 0000000..4e0fe26
--- /dev/null
+++ b/arch/x86/include/asm/sigframe.h
@@ -0,0 +1,70 @@
+#ifndef _ASM_X86_SIGFRAME_H
+#define _ASM_X86_SIGFRAME_H
+
+#include <asm/sigcontext.h>
+#include <asm/siginfo.h>
+#include <asm/ucontext.h>
+
+#ifdef CONFIG_X86_32
+#define sigframe_ia32 sigframe
+#define rt_sigframe_ia32 rt_sigframe
+#define sigcontext_ia32 sigcontext
+#define _fpstate_ia32 _fpstate
+#define ucontext_ia32 ucontext
+#else /* !CONFIG_X86_32 */
+
+#ifdef CONFIG_IA32_EMULATION
+#include <asm/ia32.h>
+#endif /* CONFIG_IA32_EMULATION */
+
+#endif /* CONFIG_X86_32 */
+
+#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
+struct sigframe_ia32 {
+ u32 pretcode;
+ int sig;
+ struct sigcontext_ia32 sc;
+ /*
+ * fpstate is unused. fpstate is moved/allocated after
+ * retcode[] below. This movement allows to have the FP state and the
+ * future state extensions (xsave) stay together.
+ * And at the same time retaining the unused fpstate, prevents changing
+ * the offset of extramask[] in the sigframe and thus prevent any
+ * legacy application accessing/modifying it.
+ */
+ struct _fpstate_ia32 fpstate_unused;
+#ifdef CONFIG_IA32_EMULATION
+ unsigned int extramask[_COMPAT_NSIG_WORDS-1];
+#else /* !CONFIG_IA32_EMULATION */
+ unsigned long extramask[_NSIG_WORDS-1];
+#endif /* CONFIG_IA32_EMULATION */
+ char retcode[8];
+ /* fp state follows here */
+};
+
+struct rt_sigframe_ia32 {
+ u32 pretcode;
+ int sig;
+ u32 pinfo;
+ u32 puc;
+#ifdef CONFIG_IA32_EMULATION
+ compat_siginfo_t info;
+#else /* !CONFIG_IA32_EMULATION */
+ struct siginfo info;
+#endif /* CONFIG_IA32_EMULATION */
+ struct ucontext_ia32 uc;
+ char retcode[8];
+ /* fp state follows here */
+};
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
+
+#ifdef CONFIG_X86_64
+struct rt_sigframe {
+ char __user *pretcode;
+ struct ucontext uc;
+ struct siginfo info;
+ /* fp state follows here */
+};
+#endif /* CONFIG_X86_64 */
+
+#endif /* _ASM_X86_SIGFRAME_H */
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